it will be me who gets the alert at 4am that the server has crashed and is waiting for me to re-enter the key so it can start again
Security (more often than not) comes with inconvenience, trouble or annoyance. You will have to compare the benefits with the disadvantages and find a balance that's right for you.

Since you are dealing with medical info you will probably sleep better with a secure solution anyway, that will more than make up for that once-a-year wake up call :)

--
Andreas

In reply to Re^5: Cryptology in the database by andreas1234567
in thread Cryptology in the database by patspam

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